000 00304nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a530
_bCHA/B
100 _aCHALAPATHI RAO, R.
245 0 _aB.SC. PHYSICS
250 _a3rd Ed.
260 _bCommerical Literature, Guntur
_aGuntur
_c1976
942 _cBK
999 _c11677
_d11677